Roman Catholic Archdiocese of Milan

The Archdiocese of Milan is a metropolitan see of the Catholic Church in Italy which covers the areas of Milan, Monza, Lecco and Varese. It has long maintained its own Latin liturgical rite, the Ambrosian rite, which is still used in the greater part of the diocesan territory. Among its past archbishops, the better known are Saint Ambrose, Saint Charles Borromeo, Pope Pius XI and Saint Pope Paul VI.

The Archdiocese of Milan is the metropolitan see of the ecclesiastical province of Milan, which includes the suffragan dioceses of Bergamo, Brescia, Como, Crema, Cremona, Lodi, Mantova, Pavia, and Vigevano.

Wikipedia